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WorksheetsWork, Force and distance& Momentum Problems
Total questions: 121
Worksheet time: 5hrs 8mins
Name
Class
Date
1.
The equation for work is shown. Work = Force x Distance
How much work is done when a person applies 25 newtons of force to move a box up a 20 meter long ramp?
How much work is done when a person applies 25 newtons of force to move a box up a 20 meter long ramp?
a)
5 joules
b)
20 joules
c)
45 joules
d)
500 joules
2.
A student did 60 Newton-meters of work by pulling a box 6 meters. Approximately how much force did the student apply?
F = W/d
F = W/d
a)
5 newtons
b)
10 newtons
c)
20 newtons
d)
180 newtons
3.
A student pushes a wheelbarrow with a force of 80 newtons over a distance of 10 meters. How much work is done by the student?
W = F x d
W = F x d
a)
8 newton-meters
b)
70 newton-meters
c)
90 newton-meters
d)
800 newton-meters
4.
A student performed 50 joules of work by raising an object 2 meters with a pulley. What was the force on the object?
F = W/d
F = W/d
a)
25 newtons
b)
48 newtons
c)
52 newtons
d)
100 newtons
5.
If a student does 480 Joules of work over a distance of 4 meters, how much force was the student applying to the object?
F = W/d
F = W/d
a)
1920 newtons
b)
120 newtons
c)
484 newtons
d)
12 newtons
6.
Which of the following would be an example of Work
a)
13W
b)
14m
c)
45J
d)
10N
7.
Which of the following is a unit for Force?
a)
3J
b)
25N
c)
6m
d)
28s
8.
what would 14J be an example of?
a)
work
b)
distance
c)
time
d)
force
9.
what would 1m be an example of?
a)
work
b)
power
c)
time
d)
distance
10.
If you push as hard you can on an object, what are you putting onto it?
a)
distance
b)
work
c)
force
d)
time
11.
How much work is done in holding a 15 N sack of potatoes while waiting in line at the grocery store for 3 minutes?
a)
15 J
b)
45 J
c)
0 J
d)
5 J
12.
If 150 Joules of work is needed to move a box 10 meters, what force was used?
a)
1500 N
b)
15 N
c)
1.5 N
d)
150 N
13.
If you push a coffee mug 1.4 m using a force of 5 N, the work done on the mug is?
a)
7 J
b)
6 J
c)
8 J
d)
9 J
14.
A 5000N block is lifted 10 m. How much work was done?
a)
50000 J
b)
5000 J
c)
500 J
d)
50 J
15.
F=200 N
d=50 m
w=??
d=50 m
w=??
a)
4 J
b)
0.25 J
c)
250 J
d)
10,000 J
16.
What is the unit for mass?
a)
Kilogram (Kg)
b)
Newton (N)
c)
Joule (J)
d)
Watt (W)
17.
How far does a car that weighs 5,000 N go if 18,000 J of work is done on it?
a)
3.8 m
b)
3.7 m
c)
3.2 m
d)
3.6 m
18.
If you push a coffee mug 1.4 m using a force of 5 N, the work done on the mug is?
a)
7 J
b)
6 J
c)
8 J
d)
9 J
19.
If Keegan does 508 J of work pushing a cart 29 m, how much force did he apply?
a)
16.48 N
b)
18.31 N
c)
15.89 N
d)
17.52 N
20.
A person performs 1,500,000 J of work while walking. The person has a weight of 750 N. How far did the person walk?
a)
20 m
b)
200 m
c)
2000 m
d)
20,000 m
21.
How far does a car that weighs 5,000 N go if 18,000 J of work is done on it?
a)
3.8 m
b)
3.7 m
c)
3.2 m
d)
3.6 m
22.
Work done = Force x _________
a)
a. distance
b)
b. acceleration
c)
c. velocity
d)
d. speed
23.
You drop a 5 kg ball from a height of 2 m. Just before it reaches the ground, what type of energy does it have?
a)
Potential Energy
b)
Kinetic Energy
c)
Nuclear Energy
d)
Chemical Energy
24.
As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?
a)
Both the potential energy and kinetic energy decrease
b)
The potential energy decreases while the kinetic energy increases
c)
The kinetic energy decreases while the potential energy increases
d)
Bothe the potential energy and kinetic energy increase
25.
When a pendulum swings, at which point is potential energy at its greatest?
a)
2
b)
3
c)
4
d)
5
26.
Energy due to motion is ____________ energy.
a)
Potential
b)
Energy
c)
Kinetic
d)
Friction
27.
__________ is stored energy.
a)
Potential
b)
Kinetic
c)
None of the above
d)
All of the above
28.
which point has the most potential energy
a)
G
b)
f
c)
b
d)
a
29.
Which 2 letters have the most kinetic energy
a)
W & Y
b)
X & Z
30.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
31.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
32.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
33.
A ball is projected into the air. Where is potential energy the greatest?
a)
A
b)
B
c)
C
d)
A and C
34.
W=125 J
d=10 m
F=???
d=10 m
F=???
a)
12.5 N
b)
1250 N
c)
0.08 N
d)
135 N
35.
If 360 Joules of work are needed to move a crate a distance of 4 meters, what is the weight of the crate?
a)
1440 N
b)
90 N
c)
0.011 N
d)
14.4 N
36.
If a group of workers can apply a force of 1,000 Newtons to move a crate 20 meters, what amount of work will they have accomplished?
a)
20,000 J
b)
200 J
c)
2,000 J
d)
20 J
37.
If 68 Joules were necessary to move a 4 Newton crate, how far was the crate moved?
a)
272 m
b)
17 m
c)
4.05 m
d)
272 cm
38.
By science what is work?
a)
work is doing something
b)
work is applying a force to an object that caused that object to move in the same direction of the force
c)
work is what you do for your life
d)
work is what is being done
39.
which example best describes work
a)
doing homework
b)
working your day job
c)
pushing a trash can down the road
d)
watching a ball fly after throwing it
40.
Which formula is to calculate work
a)
work = force x distance
b)
work = power/force
c)
there is no formula
d)
Work = force/work
41.
what is power?
a)
how fast work is done or how fast energy is transferred
b)
how much work is done
c)
what is used to complete work
d)
power does not exist
42.
It took a bulldozer 62,000 J of work to move a rock 30 meters. How much force did the bulldozer have to apply?
a)
2.1 N
b)
206.7 N
c)
186000 N
d)
2066.7 N
43.
If you push a cart with a force of 60 N for 2 m how much work have you done?
a)
120 J
b)
30 J
c)
120 N
d)
30 N
44.
The units for work are:
a)
netwons
b)
joules
c)
meters
d)
seconds
45.
Which of the following is the best example of work being done?
a)
doing homework
b)
lifting a box
c)
pushing a stationary box
d)
holding a box
46.
What is the "invisible force"?
a)
interactions
b)
gravity
c)
newtons
d)
spring scales
47.
A push or pull.
a)
force
b)
gravity
c)
interaction
d)
acceleration
48.
Common unit of force.
a)
meter
b)
newton
c)
centimeter
d)
grams
49.
What is the momentum of a 3-kg object moving at 5m/s?
a)
1.25 kg*m/s
b)
15 kg*m/s
c)
.6 kg*m/s
d)
25 kg*m/s
50.
What is the momentum of a 9-kg object moving at -1.5 m/s?
a)
-13.5 kg*m/s
b)
13.5 kg*m/s
c)
6 kg*m/s
d)
-6 kg*m/s
51.
What is the momentum of a 12-kg object moving at 5.5 m/s?
a)
-66 kg*m/s
b)
2.18 kg*m/s
c)
-2.18 kg*m/s
d)
66 kg*m/s
52.
What is the momentum of a 15-kg object moving at -50 m/s?
a)
3.33 kg*m/s
b)
750 kg*m/s
c)
-750 kg*m/s
d)
-3.33 kg m/s
53.
What is the momentum of a 18-kg object moving at 0.5 m/s?
a)
9 kg*m/s
b)
-9 kg*m/s
c)
-36 kg*m/s
d)
36 kg*m/s
54.
What is the change in momentum of a 3 kg object accelerating from rest to 12 m/s?
a)
-36 kg*m/s
b)
36 kg*m/s
c)
4 kg*m/s
d)
-4 kg*m/s
55.
What is the change in momentum of a 4 kg object accelerating from 10 m/s to 12 m/s?
a)
-88 kg*m/s
b)
88 kg*m/s
c)
8 kg*m/s
d)
-8 kg*m/s
56.
What is the change in momentum of a 13 kg object accelerating from 20 m/s to 12 m/s?
a)
-416 kg*m/s
b)
104 kg*m/s
c)
416 kg*m/s
d)
-104 kg*m/s
57.
What is the change in momentum of a 33 kg object accelerating from 30 m/s to 12 m/s?
a)
-594 kg*m/s
b)
594 kg*m/s
c)
1386 kg*m/s
d)
-1386 kg*m/s
58.
What is the change in momentum of a 3 kg object accelerating from 12 m/s to rest?
a)
-36 kg*m/s
b)
36 kg*m/s
c)
4 kg*m/s
d)
-4 kg*m/s
59.
What is the impulse of a 4 kg object accelerating from 10 m/s to 12 m/s?
a)
-88 kg*m/s
b)
88 kg*m/s
c)
8 kg*m/s
d)
-8 kg*m/s
60.
What is the impulse of a 13 kg object accelerating from 20 m/s to 12 m/s?
a)
-416 kg*m/s
b)
104 kg*m/s
c)
416 kg*m/s
d)
-104 kg*m/s
61.
What is the impulse of a 33 kg object accelerating from 30 m/s to 12 m/s?
a)
-594 kg*m/s
b)
594 kg*m/s
c)
1386 kg*m/s
d)
-1386 kg*m/s
62.
What is the impulse of a 3 kg object accelerating from 12 m/s to rest?
a)
-36 kg*m/s
b)
36 kg*m/s
c)
4 kg*m/s
d)
-4 kg*m/s
63.
How much force is exerted on a 3 kg object accelerating from rest to 12 m/s in 1.5 seconds?
a)
-24 N
b)
36 N
c)
24 N
d)
-36 N
64.
How much force is exerted on a 4 kg object accelerating from 10 m/s to 12 m/s in 2.5 seconds?
a)
-3.2 N
b)
8 N
c)
-8N
d)
3.2 N
65.
How much force is exerted on a 13 kg object accelerating from 20 m/s to 12 m/s in 3.5 seconds?
a)
-29.7 N
b)
29.7 N
c)
45 N
d)
-45 N
66.
How much force is exerted on a 13 kg object accelerating from 20 m/s to 12 m/s in 3.5 seconds?
a)
-29.7 N
b)
29.7 N
c)
45 N
d)
-45 N
67.
What is the impulse of a 3 kg object accelerating from rest to 12 m/s?
a)
-36 kg*m/s
b)
36 kg*m/s
c)
4 kg*m/s
d)
-4 kg*m/s
68.
How much force is exerted on a 33 kg object accelerating from 30 m/s to 12 m/s in 4.5 seconds?
a)
132 N
b)
-60 N
c)
-132 N
d)
60 N
69.
How much force is exerted on a 3 kg object accelerating from 12 m/s to rest in 5.5 seconds?
a)
6.5 N
b)
-6.5 N
c)
13 N
d)
-13 N
70.
How much time is needed to accelerate a 3 kg object from rest to 12 m/s if a force of 2.5-N is applied?
a)
-14.4 s
b)
-7.7 s
c)
7.7 s
d)
14.4 s
71.
How much time is needed to accelerate a 4 kg object from 10 m/s to 12 m/s if a force of 2.5-N is applied?
a)
-7.4 s
b)
3.2 s
c)
-3.2
d)
7.4 s
72.
How much time is needed to accelerate a 13 kg object from 20 m/s to 12 m/s if a force of -2.5-N is applied?
a)
-41.6 s
b)
41.6 s
c)
83.2 s
d)
-83.2 s
73.
How much time is needed to accelerate a 33 kg object from 30 m/s to 12 m/s if a force of -2.5-N is applied?
a)
-237.6 s
b)
435.67 s
c)
237.6 s
d)
-435.67 s
74.
How much time is needed to accelerate a 3 kg object from 12 m/s to rest if a force of -2.5-N is applied?
a)
-14.4 s
b)
-7.7 s
c)
7.7 s
d)
14.4 s
75.
If truck has a mass of 2000 kg and a speed of 35 m/s, what is its momentum?
a)
70000 kg *m/s
b)
57.14 kg*m/s
c)
67.44 kg*m/s
d)
14000 kg*m/s
76.
If a car has a mass of 1000 kg and a speed of 35 m/s, what is its momentum?
a)
35000 kg*m/s
b)
29 kg*m/s
c)
75000 kg*m/s
d)
48 kg*m/s
77.
An 8 kg bolwing ball is rolling in a straight line toward you. If its momentum is 166 kg* m/s, how fast is it traveling?
a)
2 m/s
b)
128 m/s
c)
16 m/s
d)
8 m/s
78.
A beach ball is rolling in a straight line toward you at a speed of 0.5 m/s. Its momentum is 0.25 kg* m/s. What is the mass of the ball?
a)
.5 kg
b)
.125 kg
c)
2.5 kg
d)
.25 kg
79.
A 1,400 kg car car is also traveling in a straight line. Its momentum is 40,000 kg*m/s. What is the velocity of the car?
a)
28.6 m/s
b)
48 m/s
c)
1400 m/s
d)
240 m/s
80.
The momentum of a car traveling in a straight line at 20 m/s is 24,500 kg*m/s. What is the car's mass?
a)
1225 kg
b)
450 kg
c)
350 kg
d)
250 kg
81.
A 0.14 kg baseball is thrown in a straight line at a velocity of 30 m/s. What is the moentum of the baseball?
a)
4.2 kg*m/s
b)
214 kg*m/s
c)
314 kg*m/s
d)
414 kg*m/s
82.
Another pitcher throws the 0.14 kg is thrown in staright line. Its momentum is 2.1 kg *m/s. What is the velocity of the ball?
a)
15 m/s
b)
20 m/s
c)
25 m/s
d)
35 m/s
83.
A 1 kg turtle crawls in a straight line at a speed of 0.01 m/s. What is the turtle's momentum?
a)
.01 kg*m/s
b)
.02 kg*m/s
c)
3 kg*m/s
d)
1 kg*m/s
84.
A 0.250 kg cart moving at 0.400 m/s has how much momentum?
a)
0.1 kg-m/s
b)
1 kg-m/s
c)
10 kg-m/s
d)
100 kg-m/s
85.
A 10kg toy truck moves at 5m/s East. It collides head-on with a 5kg toy car moving 10 m/s moving west. What is the total momentum of the system?
a)
0 kgm/s
b)
30 kgm/s
c)
50 kgm/s
d)
10 kgm/s
86.
A large box slides across a frictionless surface with a velocity of 12 m/s and a mass of 4 kg, collides with a smaller box with a mass of 2 kg that is stationary. The boxes stick together. What is the velocity of the two combined masses after collision?
a)
0 m/s
b)
4 m/s
c)
8 m/s
d)
12 m/s
87.
A 2.5 kg ball moving at 4.2 m/s collides with a 2.5 kg stationary ball in a perfectly elastic collision. What is the velocity of the second ball after the collision?
a)
2.1 m/s
b)
2.5 m/s
c)
4.2 m/s
d)
8.4 m/s
88.
A biker with a mass of 75 kg moves along the path with a constant velocity of 5 m/s. What is the biker's momentum?
a)
25 m/s
b)
375 m/s
c)
25 kg m/s
d)
375 kg m/s
89.
When the speed of an object is doubled, its momentum
a)
remains unchanged in accord with the conservation of momentum.
b)
doubles
c)
quadruples
d)
decreases
90.
A 2 kg cart has a momentum of 16 kg m/s. What is its velocity?
a)
8 m/s
b)
32 m/s
c)
0.125 m/s
d)
18 m/s
91.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
92.
A 1kg kick ball flying at 10m/s hits a wall and bounces off at 8m/s. What is the impulse?
a)
2 kgm/s
b)
18 kgm/s
c)
19 kgm/s
d)
20 kgm/s
93.
A biker with a mass of 75 kg moves along the path with a constant velocity of 5 m/s. What is the biker's momentum?
a)
25 m/s
b)
375 m/s
c)
25 kg m/s
d)
375 kg m/s
94.
A runner has a momentum of 670 kg m/s and is travelling at a velocity of 9 m/s. What is his mass?
a)
6030 kg
b)
0.0134 kg
c)
74.4 kg
d)
80 kg
95.
A boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s.
Calculate the impulse on the ball.
Calculate the impulse on the ball.
a)
1 N.s
b)
6 N.s
c)
66 N.s
d)
None of these
96.
The units for Impulse are
a)
N/s
b)
N.s
c)
N
d)
m/s
97.
A constant force of 4.5 N acts on a 7.2-kg object for 10.0 s. What is the change in the object's velocity?
a)
6.3 m/s
b)
3.2 m/s
c)
1.2 m/s
d)
4.33 m/s
98.
In a physics experiment, two carts of mass 1.5 kg each are rolled towards each other. The orange cart has a velocity of 2 m/s and the blue cart has a velocity of -1m/s. The carts stick together when they collide. Calculate their final speed.
a)
0.5 m/s
b)
1.0 m/s
c)
0.33 m/s
d)
0.67 m/s
99.
The momentum of an object depends upon the object's ___________&_____________.
a)
size and shape
b)
mass and speed
c)
mass and veloctiy
d)
mass and energy
100.
Determine the momentum of 1,000-kg car moving northward at 20 m/s.
a)
20,000 N
b)
20,000 Joules
c)
20,000 Kg * m/s
d)
20,000 kg * m/s north
101.
When the speed of an object is doubled, its momentum
a)
remains unchanged in accord with the conservation of momentum.
b)
doubles
c)
quadruples
d)
decreases
102.
A 2 kg cart has a momentum of 16 kg m/s. What is its velocity?
a)
8 m/s
b)
32 m/s
c)
0.125 m/s
d)
18 m/s
103.
While playing pool, the white cue ball strikes the 8 ball. Before the collision, the cue ball's velocity was 10 m/s and the 8 ball was at rest. If both ball's have a mass of 0.15 kg and the cue ball's velocity after the collision is 2 m/s, what is the 8 ball's velocity?
a)
2 m/s
b)
8 m/s
c)
-2 m/s
d)
1.5 m/s
104.
The total momentum before a collision is _________ the total momentum after a collision.
a)
equal to
b)
less than
c)
more than
d)
It depends on the type of collision
105.
A biker with a mass of 75 kg moves along the path with a constant velocity of 5 m/s. What is the biker's momentum?
a)
25 m/s
b)
375 m/s
c)
25 kg m/s
d)
375 kg m/s
106.
A runner has a momentum of 670 kg m/s and is travelling at a velocity of 9 m/s. What is his mass?
a)
6030 kg
b)
0.0134 kg
c)
74.4 kg
d)
80 kg
107.
A boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s.
Calculate the impulse on the ball.
Calculate the impulse on the ball.
a)
1 N.s
b)
6 N.s
c)
66 N.s
d)
None of these
108.
A boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s.
Calculate the impulse on the ball.
Calculate the impulse on the ball.
a)
1 N.s
b)
6 N.s
c)
66 N.s
d)
None of these
109.
A 0.250 kg cart moving at 0.400 m/s has how much momentum?
a)
0.1 kg-m/s
b)
1 kg-m/s
c)
10 kg-m/s
d)
100 kg-m/s
110.
Which object listed below has the greatest momentum?
a)
A 0.05 kg object rolling at 0.2 m/s.
b)
A 0.15 kg object rolling at 2 m/s.
c)
A 0.15 kg object rolling at 1 m/s
d)
A 0.4 kg object rolling at 2 m/s.
111.
A car with a momentum of 1 kg*m/s collides with a car that had a momentum of 2 kg*m/s. What was the total momentum after the collision?
a)
1 kg*m/s
b)
2 kg*m/s
c)
3 kg*m/s
d)
2 m/s
112.
What is the conservation of momentum?
a)
The momentum-impulse theorem
b)
The momentum bites the dust
c)
The change in momentum
d)
The momentum is constant/saved; it does not disappear within the system
113.
A biker with a mass of 75 kg moves along the path with a constant velocity of 5 m/s. What is the biker's momentum?
a)
25 m/s
b)
375 m/s
c)
25 kg m/s
d)
375 kg m/s
114.
A runner has a momentum of 720 kg m/s and is traveling at a velocity of 5 m/s. What is his mass?
a)
14.4 kg
b)
1400 kg
c)
144 kg
d)
360 kg
115.
A 3,000 kg truck moving at +10 m/s hits a 1,000 kg parked car which moves off at +15 m/s. What is the velocity of the truck?
a)
10 m/s
b)
0 m/s
c)
5 m/s
d)
2 m/s
116.
In a physics experiment, two carts of mass 1.5 kg each are rolled towards each other. The orange cart has a velocity of 2 m/s and the blue cart has a velocity of -1m/s. The carts stick together when they collide. Calculate their final speed.
a)
0.5 m/s
b)
1.0 m/s
c)
0.33 m/s
d)
0.67 m/s
117.
A 2 kg cart has a momentum of 10 kg m/s. What is its velocity?
a)
22 m/s
b)
.2 m/s
c)
5.0 m/s
d)
20 m/s
118.
An object with a mass of 2000 kg at rest has what momentum?
a)
2000 kg m/sec
b)
0 kg m/sec
c)
2000 kg
d)
2000 m/sec
119.
A 0.250 kg cart moving at 0.500 m/s has how much momentum?
a)
0.5 kg*m/s
b)
.125 kg*m/s
c)
12.5 kg*m/s
d)
10 kg*m/s
120.
A boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s.
Calculate the impulse on the ball.
Calculate the impulse on the ball.
a)
1 N*s
b)
6 N*s
c)
33.3 N*s
d)
None of these
121.
In any collision (crash) the ______ is ALWAYS constant
a)
Total Momentum
b)
total speed
c)
total Velocity
d)
Kinetic Energy
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